on board air compressor

I am moving from a portable air compressor, which blew out recently, to an ARB Dual Brushless air compressor. I plan to mount an air tank underneath where my spare tire used to be. I'd consider mounting the compressor under there too, but it seems like water would be a problem, even with a...

I’m putting an electrical component into my 80. For the purposes of my question, it doesn’t really matter what it is. It has a plug, with two spade connectors. (I’m installing an AC compressor modified to be on board air compressor) I have an ohm meter, but not sure I can use it for much, other...